Canon Pixma iP90 User Manual page 147

Deleting Selected Printers
Follow the steps described below to delete the unnecessary printer from the printer list.
The printer drivers which have been installed on your computer can be left.
1
Open the Printer Setup Utility (or Print Center ).
See Printer Setup Utility (or Print Center)
2
Select the BJ printer you want to delete on the printer list.
3
Select Delete Selected Printers from the Printer Setup Utility's Printers menu.